Star Sedge
Carex echinata
Last reviewed: September 2026
Toxicity unknown
Star Sedge (Carex echinata) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
The USDA PLANTS Database (opens in new tab) does not flag Star Sedge as toxic to livestock.
Light
part shade
Water
high
Size
4"–24" H × 6"–18" W
Bloom
May, Jun, Jul
Native to
AZ, CA, CO, CT and 31 more states
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaBrowse plants for this ecoregion
Star sedge is a low-growing native grass-like perennial that forms small clumps in moist, partially shaded areas. It produces small star-shaped flower clusters in late spring and summer, going dormant in winter. This sedge works well as a groundcover or accent plant in consistently moist garden spots.
In an HOA neighborhood
Star Sedge takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Looks like unmowed grass which many HOAs prohibit
- Goes completely dormant and disappears in winter
- Small size makes it appear weedy rather than intentionally planted
Wildlife value
This sedge provides habitat and nesting material for small birds and supports various insects. While not a major pollinator plant, it contributes to the overall ecosystem diversity in native plant gardens.
Common questions
- How much sun does Star Sedge need?
- Star Sedge grows best in part shade conditions.
- When does Star Sedge bloom?
- Star Sedge blooms in May, June, and July.
- Where is Star Sedge native?
- Star Sedge (Carex echinata) is native to AZ, CA, CO, CT and 31 more states, per the World Checklist of Vascular Plants (Kew).
- Is Star Sedge toxic to livestock?
- The USDA PLANTS Database does not flag Star Sedge as toxic to livestock.
- Is Star Sedge HOA-friendly?
- Star Sedge takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Star Sedge? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Planning a bed around it? Start a free plan with this plant
Not sure where to start? Take the 2-minute yard quiz